Abstract: Hanggin Rear Banner is the important grain production base in Inner Mongolia Hetao Plain,which is probably account for half of arable land,the situation of the soil composition,the present situation of saline alkali land and the achievements of saline alkali land improvement methods in Hanggin Rear Banner were briefly introduced in this paper.According to the actual situation of saline alkali land in Hanggin Rear Banner,the improvement measures were put forward and the existing problems and difficulties in the process of improving the saline alkali land and some reasonable suggestions on how to promote the management of saline alkali land were pointed out.